Ok my brain is smoking and I am at a total loss....
I purchased Nitro axles shafts with Green style bearings for my A body 8.75 rear end with a clutch type limited slip diff... I have 2 741 cases with a 3.91 clutch type diff one which was previously installed and driving with a howl but fully functional.
I purchased the second 741 case built the same way used but functional. I installed the newly purchased diff with the factory style axles and bearings to load the car on a trailer without...
8.75 help!!!!